In the letter Cash describes a potential duel between James D. Westcott and Thomas Baltzell. Accompanying the letter is a document (both original and transcript) establishing rules for the duel, as well as date and place.

In the diary he describes the treatment of victims of injuries, sickness, and wounds during the war, concentrating especially on his treatment of Chief Osceola. He also notes the cause of death of many soldiers and Native Americans, and he...